HPLC Buffer Salts
POTASSIUM DIHYDROGEN ORTHOPHOSPHATE ANHYDROUS For HPLC
Potassium phosphate monobasic; Monopotassium phosphate; prim.-Potassium phosphate
- Article code
- 5357D
- CAS
- 7778-77-0
- Grade
- For HPLC
- Purity
- 99.5%
- Category
- HPLC Buffer Salts
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Properties
- Article No.
- 5357D
- Grade
- For HPLC
- Purity
- 99.5%
- CAS No.
- 7778-77-0
- Molecular Formula
- KH2PO4
- Molecular Weight
- 136.09
- H.S. Code
- 2835.2400
- Shelf Life
- 60 Months
Product information
| Article No. | 5357D | Grade | For HPLC |
| Purity | 99.5% | CAS No. | 7778-77-0 |
| Molecular Formula | KH2PO4 | Molecular Weight | 136.09 |
| H.S. Code | 2835.2400 | Shelf Life | 60 Months |
Physical Properties
| Physical state at 20 °C | Solid | Colour | White crystalline |
| Odour | Odorless | Melting point/ Freezing point [°C] | 253 °C |
| Decomposition point [°C] | 253 °C | Density [g/cm3] | 2.338 |
| Solubility in water [% weight] | Soluble in water |
Specifications
| Appearance | White crystalline powder | Assay (titration) | Min 99.5% |
| RP gradient test | Corresponds to Standard | Filter test | Corresponds to Standard |
| Solubility (0.1 g/mL in water; 25°C) | Complete, Colourless | UV absorbance 0.5 M in water | |
| at 250 nm | Max 0.05 | at 280 nm | Max 0.05 |
Packaging options
- 500 g (00500)
Details
POTASSIUM DIHYDROGEN ORTHOPHOSPHATE ANHYDROUS For HPLC Potassium phosphate monobasic; Monopotassium phosphate; prim.-Potassium phosphate MSDS DE EN FR KO PT ES TH TR COAs Packings 500 g (00500) Print friendly version Article No. 5357D Grade For HPLC Purity 99.5% CAS No. 7778-77-0 Molecular Formula KH 2 PO 4 Molecular Weight 136.09 H.S. Code 2835.2400 Shelf Life 60 Months Physical Properties Physical state at 20 °C Solid Colour White crystalline Odour Odorless Melting point/ Freezing point [°C] 253 °C Decomposition point [°C] 253 °C Density [g/cm3] 2.338 Solubility in water [% weight] Soluble in water Specifications Appearance White crystalline powder Assay (titration) Min 99.5% RP gradient test Corresponds to Standard Filter test Corresponds to Standard Solubility (0.1 g/mL in water; 25°C) Complete, Colourless UV absorbance 0.5 M in water at 250 nm Max 0.05 at 280 nm Max 0.05 Revision Date: 27-Apr-2026 Home Lab Chemicals HPLC Buffer Salts POTASSIUM DIHYDROGEN ORTHOPHOSPHATE ANHYDROUS